Sketch Technique: Ballpoint Pen Sketching

We always receive a lot of questions on how to sketch a car and what tools to use, and often people think in very extravagant directions with high-end software and expensive tools. Often though, the designers still rely on quick doodles made anywhere at anytime, to capture the essence of the idea they have, and very often THE tool of choice in that case is a ballpoint pen, on copy paper, napkins, newspaper corners, parking tickets…